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The displacement of a damped harmonic oscillator is given byx(t) = e⁻⁰·¹ ᵗ cos(10πt + Φ). Here t is in seconds.The time taken for its amplitude of vibration to drop to half of its initial value is close to:(A) 13 s (B) 27 S(C) 4 s (D) 7 s |
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Answer» b Explanation: PLEASE FOLLOW ME |
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